Chemistry · 2021
JEE Main · 31 August 2021, Shift 2 · Q51
Sodium oxide reacts with water to produce sodium hydroxide. 20.0 g of sodium oxide is dissolved in 500 mL of water. Neglecting the change in volume,…
Sodium oxide reacts with water to produce sodium hydroxide. $\displaystyle 20.0$ g of sodium oxide is dissolved in $\displaystyle 500$ mL of water. Neglecting the change in volume, the concentration of the resulting NaOH solution is \_\_\_\_ $\displaystyle \times 10^{-1} \mathrm{~M}$. (Nearest integer)
[Atomic mass : $\displaystyle \mathrm{Na}=23.0, \mathrm{O}=16.0, \mathrm{H}=1.0$ ]
Official answer
13
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